I cant create a blog

Hi how are you, i have word press, was installed good and works very well, but when i wanna create a blog, word press create the new blog but when i wanna a see the blog, i cant, in the scree appears this error:

Not Found

The requested URL /blogs/mi blog/ was not found on this server.

In word press I get there, but i cant see the blog, I have searched in the folder and I have no blog file created.

Can you help me!